At least one tornado touches down in the Greater Houston area, damaging and destroying several structures. Pictured: Alvin

November 2

At least one tornado touches down in the Greater Houston area, damaging and destroying several structures. Pictured: Alvin

Photo: James Nielsen, Houston Chronicle

November 2 At least one tornado touches down in the Greater... Photo-8895304.122776 - Houston Chronicle

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May 26

After heavy rains upstream, massive flash flood washed down the Blanco River in Wimberly, washing a dozen homes off their foundations. Pictured: a girl searches through the remains of a vacation house in Wimberly.

After heavy rains upstream, massive flash flood washed down the Blanco River in Wimberly, washing a dozen homes off their foundations. Pictured: a girl searches through the remains of a vacation house in